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verstra

@ verstra @programming.dev

Posts
18
Comments
347
Joined
3 yr. ago

  • Unholy abomination

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  • Yeah, but I think it is speaking in first person, about itself. So it should be "I saw" and "I think", regardless of its pronouns in third person.

  • Cherishing all nuggets of knowledge.

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  • Yea, but socket is not a file. Maybe if you stretch the definition.

    Well in any case, when people say that linux is great because everything is a file, they either mean that:

    • they can edit configuration of most things with a text editor, or that
    • in bash (and other shells) it is easy to work with byte streams, piping them from one process to another and compose complex behaviour from simple commands.

  • Cherishing all nuggets of knowledge.

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  • It could be a process, which you can talk to only via an IPC call. For example, dbus

  • Removed Deleted

    Permanently Deleted

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  • You are either a crazy nutjob or a genius thinker. Interesting idea

  • When square pixels aren’t square

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  • Wikipedia to the rescue:

    However, some formats (ex., HDV, DVCPRO HD) use non-square pixels internally for image storage, as a way to reduce the amount of data that must be processed, thus limiting the necessary transfer rates and maintaining compatibility with existing interfaces.

    Actual displays do not generally have non-square pixels, though digital sensors might;

    TLDR; some formats use non-square pixels for reducing file size, some digital sensors has non-square pixels.

  • When square pixels aren’t square

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  • Does anyone know why anyone would want to encode their video using PAR != 1? Reducing the file size, by storing less pixels in one dimension, but not the other?

  • Average ideological debate

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  • I'm assuming guacamole is communism? What avocado?

  • Europe gets serious about cutting US digital umbilical cord

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  • Did Nextcloud get any more performant in the last 5years, or did the Austrian ministry shoot itself in the foot?

  • Lutra: General-Purpose Query Language

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  • I do believe that it is possible to translate any SQL query to Lutra, that is Lutra can cover that last 1% of cases. There are a few caveats:

    • Some cases would produce very verbose Lutra code because they have special-case syntax in SQL, which makes them terse.
    • Lutra does not cover DDL (CREATE, ALTER, DROP, ADMINISTER). That's because Lutra is conceptually a "run-time" language for dealing with data and not schema modifications. Because of this, Lutra cannot be used for migrations.
    • Lutra is still in development, so you are likely to find cases that are not yet expressible. If you do, please report them, so they can be implemented. But I don't believe that there are cases that would conceptually clash with Lutra language design, like there are with most ORMs.

  • Lutra: General-Purpose Query Language

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  • Two great questions!

    First one comes down to how database query optimization and predicate pushdown in particular. In this case, albums would probably have an index on albums.id column, which would optimize get_album_by_id into a single index lookup. Ideally, I would want to have an explicit function for this, something like sql::from_index("albums", "id", 3), but there is no such thing as explicit index lookup in PostgreSQL right now.

    Regarding different function syntaxes:

    • curly braces { ... } construct a new tuple (think object, struct, record),
    • parenthesis are used for precedence. They are not strictly needed for function bodies, but they do give a better visual guide to multi-line definitions, especially when using pipe operator.

    So:

     lt
        
func something() -> { ... }  # constructs a new tuple
func something() -> ( ... )  # returns a value
func something() -> ...      # equivalent to ( ... )

  • Lutra: General-Purpose Query Language

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  • I think that ORMs work great for 90% of cases, and abismally for the rest. They are also limited by the syntax and semantics of the language they are embedded in. For example, if you refer to a non-existing column, it would take a call to database to figure that out, and a cryptic error message with non-helpful code span.

  • Lutra: General-Purpose Query Language

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  • Haven't thought about but yes - it solves a few of the same problems as ORMs. Maybe the front page does not mention it, but with Lutra, you don't get result.getInt(). You get generated Python classes / Rust structs that reflect the Lutra types.

  • what do y'all use for CI/CD?

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  • I'm currently looking into Concourse.

    It does have steeper-than-average learning curve, but I really like that it has well-defined fundamentals (resources, jobs, tasks) and isolation with OCI containers. Before I adopt it fully, I want it to run my nix flake dev shell.

  • We love PEGging ❤️

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  • Also computer science, parsing

  • Slovenia rejects assisted dying law for terminally ill patients in referendum

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  • It's just opposition's strategy to get its entrenched and loyal voter base railed against opposition.

  • Slovenia rejects assisted dying law for terminally ill patients in referendum

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  • Material for MkDocs is getting rid of MkDocs. Now: Zensical - A modern static site generator

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  • Nice. I knew something was in the works for Material for MkDocs and it turned out to be exactly what I wanted. Which is a binary executable that you point to a repo and it gives you a static website.

  • Its a solar powered phone webserver! Made from a pixel 6a, solar panel, and hopes/dreams.

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  • Meanwhile, I'm using Pixel 3a for my main phone (for quite a few years now) and consider it a relatively up-to-date phone.

  • Nix CI Benchmarks

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  • Cool, looks like garnix is fast. I wanted to use it, but home page and docs are hard to parse. Too big fonts, required scrolling and bad docs organization. Why can't all projects just use material for mkdocs?